Millimeter Wave AESA

Ka Band Array - Small Planar Integrated Antenna System, High Power, Single Broadcast Steering Vector for Entire Array

Cobham Advanced Electronic Solutions leverages decades of aerospace and defense system design expertise by introducing an integrated high-power Ka-Band Active Electronically Scanned Array (AESA) Antenna system:

256-Element Tx/Rx Ka-Band Array in a Small Package:

Small form factor, high power Ka-band array
Aperture to data capability for mmWave arrays
Flexible and scalable low cost systems
Built for rugged defense environments
Very fast beam steering and control
Broadcast a single steering vector for the entire array

High TRL to be achieved in 2020/21.

Features

64-Element Sub-Array 1.9” x 1.4”
256-Element Array: 3.8” x 2.8” x 1”
Radar, EW, Missile, UAS, and comms Applications
Tx Output Power 1W/Element & low Noise Figure over temp
GaN T/R MMIC, SiGe Beam-former RFIC
High Speed Beam Steering at Element Level w/ Element Level Control
± 60 Degree Beam-Stearing
Supports mono-pulse feature
Pulsed or CW Mode
Adjustable Power / Half Power
Evolutionary path to digital beam-forming and digitization at aperture

Specification

General Specifications

Characteristics	Performance
Operating Frequency	35 GHz (>10% BW)
Instantaneous Bandwidth	> 500 MHz
Scan Volume - Azimuth	+/- 60˚
Scan Volume - Elevation	+/- 60˚
Scan Loss (+/- 60°)	< 3 dB
Azimuth and Elevation BW (3dB)	TBC˚
Noise Figure	5.5 dB
Antenna Gain ( 64 / 256 elements )	23.3 / 29.2 dB
EIRP ( 64 / 256 elements )	71.3 / 83.3 dBm
Input Voltage	28 V DC
Cooling	Liquid Cooled
Operating Temperature	-20 – 85˚ C
State Switching Speed	2.5 uS

Developments

Development Examples

	Multi-Channel GaN Chips
	Multi-Channel Silicon Chip
	Organic CCA Board Design
	Antenna Pattern Validation
	Advanced Assembly Process Development
	GaN/VM Communication and Control Validation
	Steer and Shape Radar Beam